JPS6239752U - - Google Patents
Info
- Publication number
- JPS6239752U JPS6239752U JP12956385U JP12956385U JPS6239752U JP S6239752 U JPS6239752 U JP S6239752U JP 12956385 U JP12956385 U JP 12956385U JP 12956385 U JP12956385 U JP 12956385U JP S6239752 U JPS6239752 U JP S6239752U
- Authority
- JP
- Japan
- Prior art keywords
- rubber
- layer
- layered
- cloth
- natural
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004744 fabric Substances 0.000 claims 1
- 239000006260 foam Substances 0.000 claims 1
- 239000012209 synthetic fiber Substances 0.000 claims 1
- 229920002994 synthetic fiber Polymers 0.000 claims 1
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
- 239000000835 fiber Substances 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
Description
図面は本考案に係る硬式テニス用練習球の一実
施例を示したもので、第１図は正面図、第２図は
縦断面図である。 １……内層、２……外層、３……繊維層。
施例を示したもので、第１図は正面図、第２図は
縦断面図である。 １……内層、２……外層、３……繊維層。
Claims (1)
- 中空に形成したボールにおいて、内層をゴム、
合成樹脂或はこれらの発泡体で形成し、外層をゴ
ム、合成樹脂発泡体で形成すると共に前記内外両
層の中間に天然または合成繊維からなる布、糸等
の繊維層を層設して三層構造に形成したことを特
徴とする硬式テニス用練習球。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12956385U JPS6239752U (ja) | 1985-08-27 | 1985-08-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12956385U JPS6239752U (ja) | 1985-08-27 | 1985-08-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6239752U true JPS6239752U (ja) | 1987-03-10 |
Family
ID=31026242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12956385U Pending JPS6239752U (ja) | 1985-08-27 | 1985-08-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6239752U (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014128414A (ja) * | 2012-12-28 | 2014-07-10 | Bridgestone Sports Co Ltd | テニスボール |
| JP2014128413A (ja) * | 2012-12-28 | 2014-07-10 | Bridgestone Sports Co Ltd | テニスボール |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55671B1 (ja) * | 1971-04-26 | 1980-01-09 |
-
1985
- 1985-08-27 JP JP12956385U patent/JPS6239752U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55671B1 (ja) * | 1971-04-26 | 1980-01-09 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014128414A (ja) * | 2012-12-28 | 2014-07-10 | Bridgestone Sports Co Ltd | テニスボール |
| JP2014128413A (ja) * | 2012-12-28 | 2014-07-10 | Bridgestone Sports Co Ltd | テニスボール |